Home / 356,743.18-492,320.96-213,475.64

Finding the Fourth Proportional to 356,743.18, 492,320.96 and 213,475.64

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Solution

The fourth proportional to 356,743.18, 492,320.96 and 213,475.64 is: 294,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,743.18 : 492,320.96 = 213,475.64 : x
  2. Step 2: Convert to fraction form
    356,743.18/492,320.96 = 213,475.64/x
  3. Step 3: Cross multiply
    356,743.18x = 492,320.96 × 213,475.64
  4. Step 4: Simplify right side
    356,743.18x = 105,098,533,785.91
  5. Step 5: Solve for x
    x = 105,098,533,785.91/356,743.18
  6. Step 6: Final answer
    x = 294,605.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.